Equinox AWD V6-3.4L (2008)
Technical Service Bulletin # 10250
Date: 110131
Campaign - Spark Plug Wire Warranty Extension
SPECIAL COVERAGE
Bulletin No.: 10250
Date: January 31, 2011
Subject: 10250 - Special Coverage Adjustment - Spark Plug Wire Warranty Extension
Models:
2007-2009 Chevrolet Equinox
2007-2009 Pontiac Torrent
Equipped with a 3.4L Engine (LNJ)
2008 Chevrolet Express, Silverado
2008 GMC Savana, Sierra
Equipped with 4.3L Engine (LU3)
Condition
Some customers of 2007-2009 model year Chevrolet Equinox and Pontiac Torrent vehicles equipped with a 3.4L engine (LNJ), and 2008 Chevrolet
Express, Silverado; GMC Savana, Sierra vehicles equipped with a 4.3L engine (LU3) may comment about rough engine operation and the illumination
of the Check Engine Light. This may be caused by spark plug wire boots that do not provide a sufficiently robust dielectric seal to withstand the high
voltage required to fire the spark plugs.
Special Coverage Adjustment
This special coverage covers the condition described above for a period of 10 years or 120,000 miles (193,000 km), whichever occurs first, from the date
the vehicle was originally placed in service, regardless of ownership. Dealers are to replace all spark plug wires and, if necessary, the spark plug. The
repairs will be made at no charge to the customer. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after
January 5, 2011, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with
repair orders prior to January 5, 2011, must be submitted to the Service Contract provider.
Vehicles Involved
Involved are 2007-2009 model year Chevrolet Equinox and Pontiac Torrent vehicles equipped with a 3.4L engine (LNJ), and 2008 Chevrolet Express,
Silverado; GMC Savana, Sierra vehicles equipped with a 4.3L engine (LU3).
All involved vehicles are identified by VIN in the Global Warranty Management System - Investigate Vehicle History (GMVIS2) Application in the
Applicable Warranties section. Dealership technicians should always check this site to confirm vehicle involvement prior to beginning any required
inspections and/or repairs.
Parts Information
Parts required to complete this special coverage are to be obtained from General Motors Customer Care and Aftersales (GMCC&A).
* Not eligible for RIM initially for US and Canada, until sufficient inventory levels are reached.
Service Procedure
1. Connect a scan tool and start the engine.
2. Determine if any cylinders have a misfire condition.
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If a misfire condition is present or diagnostic trouble codes (DTCs) PO300-PO306 are current or set in history, remove all of the spark plug
wires and replace them with new spark plug wire set. Refer to Spark Plug Wire Replacement in SI. Proceed to Step 3.
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If a misfire condition is NOT present in any cylinder, do NOT replace the spark plug wires. Refer to the appropriate diagnostic information in
